﻿/*
 * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation; either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

using System.Runtime.InteropServices;

namespace AzerothCore.Utilities;

public static class MarshalHelper
{
	public static T CreateStructInstance<T>() where T : struct
	{
        var size = Marshal.SizeOf(typeof(T));

        IntPtr ptr = IntPtr.Zero;

        try
        {
            ptr = Marshal.AllocHGlobal(size);

            T s = (T?)Marshal.PtrToStructure(ptr, typeof(T)) ?? default(T);

            return s;
        }
        
        finally
        {
            Marshal.FreeHGlobal(ptr);
        }
    }
}

